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MathematicsMathematics
29 July, 18:26

How do you know that 361 + 283 is greater than 500 without finding

the sum?

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Answers (2)
  1. 29 July, 20:24
    0
    Because you already see that the 3 plus 2 is 5 plus some numbers
  2. 29 July, 22:12
    0
    You would estimate first look at the 100's place 3+2=5 so we already have 500 so we know that the sumis greater than 500 because is you at 61+83 with 500 its a larger number than just 500
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